and the eu have imposed sanctions to encourage them to abandon their nuclear ambitions. iranian leaders show little sign of slowing down their nuclear program. last week they announced the construction of new nuclear plans. >>> new u.s. secretary of state john kerry has sent a clear message to iran's leaders. he said their degrlegates must ready to compromise. he was in london on his first trip abroad. he met with british prime minister. kerry and hague said they agree that stopping the program is a priority. >> as we've repeatedly made clear the window for a diplomatic solution simply cannot by definition remain open forever. >> kerry also made a direct plea to syria's opposition leaders. last friday they said they will stay away from the meeting. the international community is not doing enough to challenge the assad regime. >>> israeli leaders are taking their own steps to make sure they are safe from a nuclear iran. they unveiled arrow 3 missile. it can shot down missiles in outer space. th they won't rule out military intervention. it can reach targets in israel. the